无支撑的

They refer to the load-bearing and bracing components of non-reinforced, reinforced and prestressed concrete with a close-grained texture.

2这里指的是有细晶粒结构的无钢筋加固，有钢筋加固和预应力混凝土制作的承载和支撑部件。

This drive mechanism provides power with a linear synchronous motor avoiding friction, elastic distortion, hysteresis and non-linear error, and can realize non-contact support and guidance in the horizontal and vertical directions.

这种驱动方式避免了传统驱动方式造成的摩擦、弹性变形、滞后和非线性误差，实现了平台进给机构在水平和垂直两方向的无接触支撑和导向。

Ferns do not show secondary thickening, but in large ferns such as tree fens bands of sclerenchyma and the overlapping bases of the fronds help to support the plant.

真蕨类无次生加厚作用，但在大型真蕨中如树蕨具有厚壁组织，叶的重叠也有助于支撑植物体。

Tongguanshan pumped-storage hydroelectric station is located in the southmost part of Jiangsu Grid, which is the receiving system and whose regional voltage is comparatively low. And furthermore, the pumped-storage hydroelectric station is near Zhengping DC substation, so its performance of dynamic reactive power becomes one of the most important contents needed research.

由于铜官山抽水蓄能电站位于江苏电网的最南部，处于系统的受端，地区电压相对较低，另外，铜官山抽水蓄能电站距离政平直流较近，其动态无功支撑性能是研究的重要内容之一。

Principle of its structure as shown, via a conveyor belt drive roller and tail roller with the formation of The Promise Ring, up and down a conveyor belt supported by rollers to limit the deflection of the vertical conveyor belt, the tensioning device to provide the required normal operation of a conveyor belt tension.

其结构原理如图所示，输送带绕经传动滚筒和尾部滚筒形成无极环形带，上下输送带由托辊支撑以限制输送带的挠曲垂度，拉紧装置为输送带正常运行提供所需的张力。

It was a large anapsid reptile that, unlike most reptiles, held its legs underneath its body to support its great weight.

和大部分爬行动物不同，它是一种大形的无颞窝爬行动物，它靠身子下面的脚来支撑它庞大的身躯。

There is good application prospect, especially at the therapy of tumor. The technique and device of infrared does not damage human and does not pollute environment. It can diplay the screenage on body's organ metabolism function, while other diagnosis apparatus can...

红外线的技术和仪器对人体无损害，对环境无污染，具有其他影像诊断设备所无法做到的人体器官代谢功能影像显示，开辟了以功能学为主的医学影像技术新领域，为疾病诊断和医学研究提供了影像显示手段和技术支撑，在医学实践及总结中发挥着重要作用。

This paper gives an introduction to the construction technique of Germany Rheda non-gravel trackway whose foundation adopt continuous paving and pouring concrete base and concrete trough by using slip-form paver,Compared with the technique we have used for long time,which is supported by slot-ditch,the new construction technique gives US new thinking and direction on how to enhance mechanized degree and engineering quality.

文章摘要：摘要：介绍德国铁路土路基上枕式无碴轨道轨下基础采用滑模摊铺机连续摊铺混凝土底座和混凝土路槽的施工技术，并与我国长期施工实践所积累的较为成熟的轨排支撑架法技术相比较，对如何再提高机械化施工程度以及如何提高施工质量提出新的思路与方向。

Storage devices played an important role in MicroGrid control, the inverter of battery which used droop control could provide fast power support for the islanded MicroGrid, and damped the voltage and frequency fluctuation caused by the slow dynamical response of gas turbine efficiently.

采用下垂控制策略的蓄电池在微网孤岛运行时可以快速为系统提供有功、无功支撑，有效抑制了由于燃气轮机动态响应速度慢引起的电压和频率偏差。

In this paper comparisons are made between different types of bell-less top arrangement,i.

本文对大型高炉并罐、三罐和串罐无料钟特点进行了比较，对上料罐支撑方式、上料闸型式不同的特点进行比较。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。